<template>
    <div>
       <!-- 用户列表组件  面包些导航 -->
       <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/welcome' }">后台首页</el-breadcrumb-item>
        <el-breadcrumb-item >权限管理</el-breadcrumb-item>
        <el-breadcrumb-item>权限列表</el-breadcrumb-item>
     
      </el-breadcrumb>
      <!--卡片视图区域 -->
      <el-card>
          <el-row :gutter="20">
              <el-col :span="8">
                <el-input  placeholder="请输入内容" v-model="queryInfo.query" clearable  @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList" ></el-button>
                </el-input>
              </el-col>
              <el-col :span="4">
                  <el-button type="success" @click="goAddpage">添加商品</el-button>
            </el-col>
          </el-row>

          <!-- table表格区域 -->
<el-table :data="goodsList" border stripe style="width: 100%;font-size: 13px;">
<el-table-column type="index" label="编号" width="55px"></el-table-column>
<el-table-column  label="商品名称" prop="goods_name"></el-table-column>
<el-table-column  label="商品价格（元）" prop="goods_price"></el-table-column>
<el-table-column  label="商品数量（个）" prop="goods_number"></el-table-column>
<el-table-column  label="商品重量（Kg）" prop="goods_weight" width="90px"></el-table-column>
<el-table-column  label="商品创建时间" >
    <template v-slot="scope">
      {{scope.row.add_time | dateFormat}}
    </template>
</el-table-column>
<!-- <el-table-column width="220px" label="创建时间">
    <template v-slot="scope">
      {{ scope.row.add_time | dateFormat }}
    </template>
</el-table-column> -->
<el-table-column label="操作">
    <template v-slot="scope">
        <el-button type="primary" icon="el-icon-edit" circle>修改</el-button>
        <el-button type="danger" icon="el-icon-delete" circle @click="removeById(scope.row.goods_id)">删除</el-button>
    </template>
</el-table-column>
</el-table>
<!-- 分页区域 -->
<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 20, 40]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background></el-pagination>
</el-pagination>
</el-card>
</div>
</template>
<script>
    export default {
        data() {
            return {
                //查询参数对象
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 10
                },
                //商品列表
                goodsList: [],
                //总数据条数
                total: 0
            }
        },
        methods: {
            //根据分页获取对应的商品列表
            async getGoodsList() {
                const {
                    data: res
                } = await this.$http.get('goods', {
                    params: this.queryInfo
                })
                if (res.meta.status !== 200) {
                    return this.$message.error('获取商品列表失败!')
                }
                this.$message.success('获取商品列表成功!')
                this.goodsList = res.data.goods
                this.total = res.data.total
                console.log(res.data)
            },
            // 显示的页数改变
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize
                this.getGoodsList()
            },
            //当页码值发生变化时候
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage
                this.getGoodsList()
            },
            //点击删除按钮
            async removeById(id) {
                const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)
                if (confirmResult !== 'confirm') {
                    return this.$message.warning('已经取消删除!')
                }
                //没有return就说明确实要删除
                const {
                    data: res
                } = await this.$http.delete(`goods/${id}`)
                if (res.meta.status !== 200) {
                    this.$message.error('删除商品失败!')
                }
                this.$message.success('删除成功！')
                this.getGoodsList()
            },
            goAddpage() {
                this.$router.push('/goods/add')
            }
        },
        created() {
            this.getGoodsList()
        },

    }
</script>

<style lang="less" scoped>

</style>